Marine Pests

Asian Paddle Crab

Scientific NameCharybdis japonica
Is widespread in the Hauraki Gulf. Has been detected in Whangarei Harbour and Opua/Waitangi in Northland.
Colour ranges from off-white and pale green, through olive-green to a deep chestnut brown with purplish markings.
Strong swimmers and can spread to fouling on a boats hull.

• For more info see Marine Biosecurity Porthole | • New! marine pest map
• Boaties Clean Below Good to Go info

If you think you've found a marine pest - report online here
or call our pest and disease hotline 0800 80 99 66

  • Highly detrimental to shellfish aquaculture
  • Aggressive predator
  • Displaces native and fisheries species 
  • Can carry diseases that affect crab, lobster, shrimp and prawn fisheries

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